A display apparatus includes: a display unit configured to display an image on a screen; an input unit configured to receive an input from a user; and a control unit configured to control the display unit to display a thumbnail image corresponding to a partial region of a preview image of an omnidirectionally captured image. The control unit is further configured to control the display unit to display an image corresponding to a specific region of the preview image if the input is received. At least one of the specific region and an enlargement ratio of the image corresponding to the specific region is determined based on the input.